Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 628 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.508 × 508 =
2. 2.204 × 206 =
3. 3.79 × 78 =
4. 4.198 × 198 =
5. 5.46 × 48 =
6. 6.499 × 494 =
7. 7.207 × 204 =
8. 8.409 × 407 =
9. 9.22 × 21 =
10. 10.495 × 493 =
11. 11.26 × 26 =
12. 12.308 × 303 =
13. 13.71 × 73 =
14. 14.406 × 401 =
15. 15.19 × 19 =
16. 16.62 × 61 =
17. 17.599 × 594 =
18. 18.291 × 296 =
19. 19.93 × 93 =
20. 20.203 × 206 =
21. 21.49 × 49 =
22. 22.298 × 293 =
23. 23.409 × 408 =
24. 24.68 × 66 =
25. 25.294 × 292 =
26. 26.399 × 397 =
27. 27.32 × 34 =
28. 28.61 × 64 =
29. 29.306 × 309 =
30. 30.397 × 395 =
31. 31.86 × 89 =
32. 32.194 × 191 =
33. 33.79 × 79 =
34. 34.198 × 196 =
35. 35.22 × 24 =
36. 36.299 × 299 =
37. 37.46 × 48 =
38. 38.94 × 92 =
39. 39.42 × 44 =
40. 40.204 × 208 =

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